#!/usr/bin/python2.6
#
# GFuzzy - A fuzzy engine written in python.
#
# Copyright 2011 Google Inc. All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


"""Read configuration from protocol buffer.

This will read the configuration from a protocol buffer and set up the
in-memory structures required for the fuzzy engine to run.
"""


import logging
import fuzzy_pb2
from google.protobuf import text_format


def ReadConfig(filename):
  """Reads the configuration from a file.

  Args:
    filename: string for the name of the ASCII pb.

  Returns:
    protocol buffer with fuzzy system configuration.
  """
  logging.info('Reading config from %s', filename)

  fp = open(filename, 'r')
  data = fp.read()

  pb = fuzzy_pb2.System()
  text_format.Merge(data, pb)
  fp.close()

  return pb
